CN102658465A - Manufacturing method of aluminum alloy composite corrugated board - Google Patents
Manufacturing method of aluminum alloy composite corrugated board Download PDFInfo
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- CN102658465A CN102658465A CN2012101825125A CN201210182512A CN102658465A CN 102658465 A CN102658465 A CN 102658465A CN 2012101825125 A CN2012101825125 A CN 2012101825125A CN 201210182512 A CN201210182512 A CN 201210182512A CN 102658465 A CN102658465 A CN 102658465A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 36
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000010030 laminating Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims description 28
- 238000013459 approach Methods 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 238000007747 plating Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000003760 hair shine Effects 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 2
- 230000032683 aging Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 38
- 239000007769 metal material Substances 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 230000001627 detrimental effect Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Abstract
The invention provides a manufacturing method of an aluminum alloy composite corrugated board, and belongs to the technical field of welding manufacturing. The composite corrugated board solves the technical problems of poor aging resistance, poor high temperature resistance and the like of the composite corrugated board in the prior art. The manufacturing method of the invention comprises the following steps: step one, preparing three rolls of aluminum alloy sheets, and respectively marking the three rolls of aluminum alloy sheets as a panel, a core plate and a bottom plate; step two, placing the panel, the core plate and the bottom plate on a production line, straightening, horizontally conveying forwards, and processing the core plate into a continuous corrugated structure by adopting a corrugated plate roller press; thirdly, pressing the panel, the core board and the bottom board and sequentially laminating to form a composite corrugated board; welding and fixing the wave crest part of the corrugated structure of the core plate and the lower surface of the panel by using a laser welding machine, and welding and fixing the wave trough part of the corrugated structure and the upper surface of the bottom plate; and step five, conveying the processed and formed composite corrugated board to a cutting machine to cut a finished product. The invention has the advantages of ageing resistance, good high temperature resistance and the like.
Description
Technical field
The invention belongs to welding manufacturing technology field, relate to a kind of manufacturing approach of aluminium alloy compound corrugated sheet.
Background technology
At present, be the composite corrugated board of core with the corrugated structure, owing to have good serviceabilities such as flatness height, quality is light, bonding is firm, corrosion-resistant, sound-insulating and heat-insulating is effective, obtain application more and more widely in the building curtain wall decoration material field.
Traditional composite corrugated board is to adopt a kind of sandwich, and panel is the decoration aluminum alloy plate materials of handling through fluorine carbon roller coat, and the centre is the aluminium sheet core of high-intensity corrugated, panel, and the core of base plate and corrugated forms through the compound manufacturing of HTHP.
But traditional composite corrugated board often has some unsurmountable shortcomings owing to adopt the mode of binding agent to process, and like easy ageing, come off, reduces its service life; Heat-resisting quantity is poor; During breaking out of fire, volatile toxic gas is detrimental to health etc., has influenced the range of application of aluminium matter corrugated sheet greatly.
In recent years, in order to overcome the shortcoming of composite corrugated board, further improve the performance of composite corrugated board, many experts and scholars have done number of research projects.But these researchs all only are absorbed in binder material and prescription, the structure of aluminium matter corrugated sheet and the improvement of production technology etc. to improve its performance; Do not propose from overcoming the method for above-mentioned conventional composite corrugated sheet shortcoming in essence, thereby composite corrugated board receives great limitation in the application of curtain wall decoration field of materials always.
Summary of the invention
The objective of the invention is the problems referred to above to existing technology existence, a kind of manufacturing approach of aluminium alloy compound corrugated sheet is provided, technical problem to be solved by this invention is to improve the anti ageing property of composite corrugated board.
The object of the invention can be realized through following technical proposal: a kind of manufacturing approach of aluminium alloy compound corrugated sheet comprises the steps:
Step 4, laser weld: laser-beam welding machine is set in floor below; Above-mentioned composite corrugated board is carried through this laser-beam welding machine; It is fixing to utilize laser characteristics that the peak part of central layer wave structure and panel lower surface are welded mutually, mutually welds fixing with plate upper surface the trough part of wave structure;
Step 5, finished product cutting: composite corrugated board is continued to be fed forward to cutting machine, and the part that the composite corrugated board welding is good cuts into corresponding specification to adopt cutting machine.
The manufacturing approach of this composite corrugated board comprises above-mentioned steps; In step 1, prepare aluminium alloy sheet 3 volumes; In step 2, central layer is processed into corrugated plating; Pressing in step 3, crest, trough with central layer in step 4 weld together with the lower surface (being non-coat side) of panel, the upper surface of base plate respectively, in step 5, cut finished product then.It is laser weld that this manufacturing approach adopts welding manner; The crest and the trough of central layer are welded together with the lower surface of panel, the upper surface of base plate respectively; Its resistance to elevated temperatures is good; Avoided being connected under the hot environment and can wearing out through the bonding agent mode at present, and decomposited some harmful substances, the problem that is detrimental to health.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet, the plate thickness in the described step 1 is 0.5 to 0.8mm, and central layer thickness is 0.2 to 0.4mm, and base plate thickness is 0.2 to 0.5mm.Panel, central layer and base plate adopt above-mentioned size, make that to be processed into composite corrugated board light, reliable, and cost is low.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet, the decorative cover of the panel in the described step 1 is the fluororine-carbon coating face.Before carrying out coating, will carry out preliminary treatment, this preliminary treatment comprises that counter plate carries out degreasing, oil removing, cleaning, oven dry and chromaking successively, carry out such preliminary treatment after, guarantee that coating layer thickness is even, adhesive force good, can not influence coating result because of impurity.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet; Central layer in the described step 2 cuts into the triangle slice with its end earlier; And then send into the corrugated plating roller press and carry out roll extrusion, the corrugated plating roller press in the described step 2 comprises six pairs of running rollers, the central layer end gets into from first pair of running roller; Through second and third, the order brake forming successively of four, five and six pairs of running rollers, and from the 6th pair of continuous output of running roller.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet; The following relational expression of the deflection of every pair of running roller in the described step 2, tan α=Δ H/L, wherein Δ H is the material deformation height of adjacent two pairs of running rollers; L is the centre-to-centre spacing of adjacent two pairs of running rollers, and α is the linear deformation angle.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet, the angle of described α is 1.5 ° to 2.5 °.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet, laser-beam welding machine partly welds fixing to the peak part and the trough of wave structure successively in the described step 4.Welding can reduce the quantity of laser-beam welding machine successively, reduces production costs.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet, the trough of central layer part and plate upper surface fit in the described step 4, regulate the focal length of laser-beam welding machine; Laser beam is shone fit the place, the metal material at the place of fitting absorbs luminous energy and is converted into heat energy, is heated then and is melted to vaporization; Form pit; Along with the continuation irradiation of laser, pit penetrates darker, after laser stops irradiation; The liquation of pit periphery refluxes, and forms weld seam after the cooled and solidified trough part of central layer and the upper surface of base plate are welded together.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet, the peak part of central layer and panel lower surface fit in the described step 4, regulate the focal length of laser-beam welding machine; When laser beam shone on the base plate, the energy of release made base plate local melting and evaporation, forms aperture; Laser beam passes aperture and shines directly into the place that fits, and the metal material at the place of fitting absorbs luminous energy and is converted into heat energy, is heated then and is melted to vaporization; Form pit; Along with the continuation irradiation of laser, pit penetrates darker, after laser stops irradiation; The liquation of pit periphery refluxes, and forms weld seam after the cooled and solidified peak part of central layer and the lower surface of panel are welded together.The composite corrugated board that processes is distributed with consistent, the at interval uniform aperture of size on its base plate, can not have influence on the aesthetic property of the use of composite corrugated board.
In the manufacturing approach of above-mentioned a kind of aluminium alloy compound corrugated sheet, the peak part of central layer and trough part is welded as laser spot welding respectively and between the panel, base plate in the described step 4.
Compared with prior art, advantage of the present invention is following:
1, this manufacturing approach adopts welding manner that central layer and panel, base plate are linked together; Its resistance to elevated temperatures is good; When under hot environment, working, can not wear out, avoid being connected under the hot environment and can wearing out through the bonding agent mode at present; And decomposite some harmful substances, the problem that is detrimental to health.
2, laser weld is than other conventional welding methods, and advantage is that energy density is high, and programming rate is fast, and welding has improved labor productivity rapidly greatly.
3, laser weld can be anti-oxidation; In the process of laser weld, solder joint is partial to the inboard of panel, can effectively stop the lacquer on surface owing to temperature raises oxidation to take place, and this composite plate outer surface has coating, and paint also has, and anti-oxidation function must be arranged.
4, laser weld is more firm; Adopt laser weld, its solder joint can accurately be controlled, and can be good at according to track welding in advance, and good directionality weld more firmly, and the fastness between three layers of this composite plates also is the bigger the better the raising of this performance of needs.
Description of drawings
Fig. 1 is the structural representation of this aluminium alloy compound corrugated sheet among the embodiment.
Fig. 2 is the manufacturing schematic diagram of this aluminium alloy compound corrugated sheet among the embodiment.
Fig. 3 is the trough of this aluminium alloy compound corrugated sheet central layer among the embodiment and the sketch map that panel welds together.
Fig. 4 is the crest of this aluminium alloy compound corrugated sheet central layer among the embodiment and the sketch map that base plate welds together.
Among the figure, 1, panel; 2, central layer; 3, base plate; 4, stretching element; 5, driving mechanism; 5a, last driven roller; 5b, following driven roller; 6, corrugated plating roller press; 7, laminating mechanism; 7a, last pressure roller; 7b, lower compression roller; 8, laser-beam welding machine; 9, peak part; 10, trough part; 11, cutting machine; 11a, cutter; 11b, bottom knife.
The specific embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
The manufacturing approach of this aluminium alloy compound corrugated sheet comprises the steps:
Table 1 rolling forming deflection allocation table
Step 4, laser weld: like Fig. 3, shown in Figure 4, laser-beam welding machine 8 is set below base plate 3, above-mentioned composite corrugated board is carried through this laser-beam welding machine 8; Laser-beam welding machine 8 welds fixing successively to the peak part 9 of wave structure and trough part 10, the peak part 9 of central layer 2 and trough part 10 are welded as laser spot welding respectively and between the panel 1, base plate 3, and laser spot welding adopts the YAG laser device of 300W; Its running parameter pulse energy, pulse width, spot diameter and defocusing amount are set at 65J, 0.9s, 0.8mm and 0; The trough part 10 of central layer 2 fits with base plate 3 upper surfaces, regulates the focal length of laser-beam welding machine 8, laser beam is shone fit the place; The metal material at the place of fitting absorbs luminous energy and is converted into heat energy; Be heated then and be melted to vaporization, form pit, along with the continuation irradiation of laser; Pit penetrates darker; After laser stopped irradiation, the liquation of pit periphery refluxed, and forms weld seam after the cooled and solidified trough part 10 of central layer 2 and the upper surface of base plate 3 are welded together; The peak part 9 of central layer 2 fits with panel 1 lower surface, regulates the focal length of laser-beam welding machine 8, when laser beam shines 3 last times of base plate; The energy that discharges makes base plate 3 local meltings and evaporation, forms aperture, and laser beam passes aperture and shines directly into the place that fits; The metal material at the place of fitting absorbs luminous energy and is converted into heat energy, is heated then and is melted to vaporization, forms pit; Along with the continuation irradiation of laser, pit penetrates darker, after laser stops irradiation; The liquation of pit periphery refluxes, and forms weld seam after the cooled and solidified peak part 9 of central layer 2 and the lower surface of panel 1 are welded together;
Step 5, finished product cutting: as shown in Figure 2, composite corrugated board is continued to be fed forward to cutting machine 11 places, cutting machine 11 comprises cutter 11a and bottom knife 11b, the part that the composite corrugated board welding is good cuts into corresponding specification to adopt cutting machine 11.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used 1, panel morely; 2, central layer; 3, base plate; 4, stretching element; 5, driving mechanism; 5a, last driven roller; 5b, following driven roller; 6, corrugated plating roller press; 7, laminating mechanism; 7a, last pressure roller; 7b, lower compression roller; 8, laser-beam welding machine; 9, peak part; 10, trough part; 11, cutting machine; 11a, cutter; Term such as 11b, bottom knife, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (9)
1. the manufacturing approach of an aluminium alloy compound corrugated sheet is characterized in that comprising the steps:
Step 1, preparation plate: prepare aluminium alloy sheet three volumes, be labeled as panel (1), central layer (2) and base plate (3) respectively, wherein the upper surface of panel (1) is a decorative cover;
Step 2, stretching and roll extrusion: panel (1), central layer (2) and base plate (3) are placed on the production line; With certain linear velocity to above-mentioned three's uncoiling; Use a stretching element (4) to above-mentioned three's guiding and stretching respectively, adopt a driving mechanism (5) that the three is carried out level then and be fed forward, in the process of carrying; Adopt corrugated plating roller press (6) that central layer (2) is carried out rolling and processing, make it form continuous wave structure;
Step 3, pressing: panel (1), central layer (2) and base plate (3) are delivered to a laminating mechanism (7); Adopt this laminating mechanism (7) that above-mentioned three is carried out pressing, make panel (1), central layer (2) and base plate (3) be built up composite corrugated board successively;
Step 4, laser weld: laser-beam welding machine (8) is set in floor below; Above-mentioned composite corrugated board is carried through this laser-beam welding machine (8); It is fixing to utilize characteristic of laser that the peak part (9) of central layer (2) wave structure and panel (1) lower surface are welded mutually, mutually welds fixing with base plate (3) upper surface the trough part (10) of wave structure;
Step 5, finished product cut: composite corrugated board is continued to be fed forward to cutting machine (11) locate, cutting machine (11) adopts cutting machine (11) that the good part of composite corrugated board welding is cut into corresponding specification.
2. the manufacturing approach of a kind of aluminium alloy compound corrugated sheet according to claim 1 is characterized in that, the panel in the described step 1 (1) thickness is 0.5 to 0.8mm, and central layer (2) thickness is 0.2 to 0.4mm, and base plate (3) thickness is 0.2 to 0.5mm.
3. the manufacturing approach of a kind of aluminium alloy compound corrugated sheet according to claim 1 and 2 is characterized in that, the decorative cover of the panel in the described step 1 (1) is the fluororine-carbon coating face.
4. the manufacturing approach of a kind of aluminium alloy compound corrugated sheet according to claim 1; It is characterized in that; Central layer in the described step 2 (2) cuts into the triangle slice with its end earlier; And then send into corrugated plating roller press (6) and carry out roll extrusion, the corrugated plating roller press (6) in the described step 2 comprises six pairs of running rollers, central layer (2) end gets into from first pair of running roller; Through second and third, the order brake forming successively of four, five and six pairs of running rollers, and from the 6th pair of continuous output of running roller.
5. the manufacturing approach of a kind of aluminium alloy compound corrugated sheet according to claim 4; It is characterized in that; The following relational expression of the deflection of every pair of running roller in the described step 2, tan α=Δ H/L, wherein Δ H is the material deformation height of adjacent two pairs of running rollers; L is the centre-to-centre spacing of adjacent two pairs of running rollers, and α is the linear deformation angle.
6. the manufacturing approach of a kind of aluminium alloy compound corrugated sheet according to claim 5 is characterized in that, the angle of described α is 1.5 ° to 2.5 °.
7. according to claim 1 or 2 or the manufacturing approach of 5 or 6 described a kind of aluminium alloy compound corrugated sheets; The trough part (10) and base plate (3) upper surface of central layer in the described step 4 (2) fit; Adjusting laser-beam welding machine (8) carries out heat fused to the metal at the place of fitting, and molten metal cooling back formation weld seam welds together the trough part (10) and the base plate (3) of central layer (2).
8. according to claim 1 or 2 or the manufacturing approach of 5 or 6 described a kind of aluminium alloy compound corrugated sheets; The peak part (9) of central layer in the described step 4 (2) and panel (1) lower surface fit; Regulate base plate (3) the burn through formation aperture that laser-beam welding machine (8) will fit and locate correspondence; Laser beam passes aperture and shines the place of fitting and make the metal at this place be heated fusing, and molten metal cooling back forms weld seam the peak part (9) of central layer (2) and the lower surface of panel (1) are welded together.
9. the manufacturing approach of a kind of aluminium alloy compound corrugated sheet according to claim 7; It is characterized in that the peak part (9) of central layer in the described step 4 (2) and trough part (10) is welded as laser spot welding respectively and between the panel (1), base plate (3).
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| CN201210182512.5A CN102658465B (en) | 2012-05-31 | 2012-05-31 | Manufacturing method of aluminum alloy composite corrugated board |
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| CN201210182512.5A CN102658465B (en) | 2012-05-31 | 2012-05-31 | Manufacturing method of aluminum alloy composite corrugated board |
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| CN102658465B CN102658465B (en) | 2014-09-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995866A (en) * | 2012-11-04 | 2013-03-27 | 冯中宇 | Novel stainless steel decorative panel and production method |
| CN103358102B (en) * | 2013-07-30 | 2016-06-08 | 青岛泰泓轨道装备有限公司 | The processing method of metal corrugated sandwich boards and volume brake apparatus thereof |
| CN113770649A (en) * | 2021-08-31 | 2021-12-10 | 江西江南新材料科技股份有限公司 | Automatic production line and production method of phosphor-copper balls |
| CN114179456A (en) * | 2021-12-13 | 2022-03-15 | 重庆大学 | Magnesium alloy composite corrugated board and preparation method thereof |
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| CN101786367A (en) * | 2010-01-12 | 2010-07-28 | 永州市鑫盈建材有限公司 | Multi-purpose aluminum composite plate production line |
| CN201702983U (en) * | 2010-06-12 | 2011-01-12 | 江苏丰顺新材料科技有限公司 | Aluminum sheet continuous composite corrugated board production device |
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- 2012-05-31 CN CN201210182512.5A patent/CN102658465B/en not_active Expired - Fee Related
Patent Citations (5)
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| JPH08309206A (en) * | 1995-05-22 | 1996-11-26 | Nippon Soken Inc | Production of carrier of metal catalyst for purifying waste gas |
| JPH11254164A (en) * | 1998-03-10 | 1999-09-21 | Nissan Motor Co Ltd | Manufacture of honeycomb-like panel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102995866A (en) * | 2012-11-04 | 2013-03-27 | 冯中宇 | Novel stainless steel decorative panel and production method |
| CN103358102B (en) * | 2013-07-30 | 2016-06-08 | 青岛泰泓轨道装备有限公司 | The processing method of metal corrugated sandwich boards and volume brake apparatus thereof |
| CN113770649A (en) * | 2021-08-31 | 2021-12-10 | 江西江南新材料科技股份有限公司 | Automatic production line and production method of phosphor-copper balls |
| CN114179456A (en) * | 2021-12-13 | 2022-03-15 | 重庆大学 | Magnesium alloy composite corrugated board and preparation method thereof |
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| CN102658465B (en) | 2014-09-03 |
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Owner name: ZHEJIANG XINDING ALUMINUM CO., LTD. Free format text: FORMER NAME: ZHEJIANG XINDING ALUMINUM LTD. |
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Address after: Taizhou City, Zhejiang province 318054 central Luqiao Industrial Zone Patentee after: ZHEJIANG XINDING ALUMINIUM INDUSTRY Co.,Ltd. Address before: Taizhou City, Zhejiang province 318054 central Luqiao Industrial Zone Patentee before: Zhejiang Xinding Aluminum Co.,Ltd. |
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Effective date of registration: 20180605 Address after: 318050 Jiangtao village, Feng Jiang, Luqiao District, Taizhou, Zhejiang Patentee after: ZHEJIANG GKO NEW MATERIALS CO.,LTD. Address before: 318054 Taizhou City, Zhejiang Province, central Luqiao Industrial Zone Patentee before: ZHEJIANG XINDING ALUMINIUM INDUSTRY Co.,Ltd. |
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Address after: 318050 Golden Road 88, Jinqing Town, Luqiao District, Taizhou, Zhejiang. Patentee after: ZHEJIANG GKO NEW MATERIALS CO.,LTD. Address before: 318050, Zhejiang province Taizhou District Luqiao Feng Jiang Xia Tao Village Patentee before: ZHEJIANG GKO NEW MATERIALS CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 318050 Golden Road 88, Jinqing Town, Luqiao District, Taizhou, Zhejiang. Patentee after: Zhejiang Mingdao New Material Co.,Ltd. Address before: 318050 Golden Road 88, Jinqing Town, Luqiao District, Taizhou, Zhejiang. Patentee before: ZHEJIANG GKO NEW MATERIALS CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140903 |